2944172

Information

• Patent Grant
• 2944172

• References
• Source

• Patent Number

  2,944,172

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1960
  64 years ago

• CPC

  • H01J37/301 - Arrangements enabling beams to pass between regions of different pressure
  • B23K15/0013 - Positioning or observing workpieces
  • H01J37/09 - Diaphragms Shields associated with electron or ion-optical arrangements Compensation of disturbing fields
  • H01J37/165 - Means associated with the vessel for preventing the generation of or for shielding unwanted radiation
  • H01J37/3005 - Observing the objects or the point of impact on the object
  • H01J37/304 - Controlling tubes by information coming from the objects or from the beam
  • Y10S164/04 - Dental

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 164 - Metal founding
  • 219 - Electric heating
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems